| 5,144 | (17%) | |
| 4,030 | (14%) | |
| 3,602 | (12%) | |
| 3,197 | (11%) | |
| 3,013 | (10%) | |
| 2,824 | (10%) | |
| 2,544 | (9%) | |
| 1,437 | (5%) | |
| 1,121 | (4%) | |
| 1,048 | (4%) | |
| 870 | (3%) | |
| 163 | (1%) |
Source: U.S. Census Bureau - A.C.S 2007
| 58,335 | (100%) | |
| 49,567 | (85%) | |
| 5,420 | (9%) | |
| 3,547 | (6%) | |
| 986 | (2%) | |
| 871 | (2%) | |
| 444 | (1%) |
Petaluma California's population is estimated to be approximately 58,335. There are 49,567 White residents which make up 85.00 % of the states' population. The remaining population is made up of 5,420 Others, 3,547 Asians, 986 Native Americans, 871 Blacks, and 444 Hawaiian & Pacific Islanders.